Malware Analysis Report

2025-06-16 03:53

Sample ID 241002-ac3pls1dlb
Target 9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N
SHA256 9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18
Tags
stealc doma discovery evasion stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18

Threat Level: Known bad

The file 9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N was found to be: Known bad.

Malicious Activity Summary

stealc doma discovery evasion stealer

Stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

Identifies Wine through registry keys

Checks BIOS information in registry

Suspicious use of NtSetInformationThreadHideFromDebugger

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-02 00:04

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-02 00:04

Reported

2024-10-02 00:06

Platform

win7-20240903-en

Max time kernel

15s

Max time network

16s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe"

Signatures

Stealc

stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe

"C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp

Files

memory/2120-0-0x00000000000E0000-0x0000000000790000-memory.dmp

memory/2120-1-0x0000000077810000-0x0000000077812000-memory.dmp

memory/2120-3-0x00000000000E0000-0x0000000000790000-memory.dmp

memory/2120-2-0x00000000000E1000-0x0000000000104000-memory.dmp

memory/2120-4-0x00000000000E0000-0x0000000000790000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-02 00:04

Reported

2024-10-02 00:06

Platform

win10v2004-20240802-en

Max time kernel

95s

Max time network

96s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe"

Signatures

Stealc

stealer stealc

Identifies VirtualBox via ACPI registry values (likely anti-VM)

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe

"C:\Users\Admin\AppData\Local\Temp\9f9a3faf3d4f8b3c0c6d3719024c457f34fda2cdc2395d82a2a193aac8daea18N.exe"

Network

Country Destination Domain Proto
RU 185.215.113.37:80 185.215.113.37 tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 37.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 98.117.19.2.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

memory/2396-0-0x00000000002A0000-0x0000000000950000-memory.dmp

memory/2396-1-0x0000000077CE4000-0x0000000077CE6000-memory.dmp

memory/2396-2-0x00000000002A1000-0x00000000002C4000-memory.dmp

memory/2396-3-0x00000000002A0000-0x0000000000950000-memory.dmp

memory/2396-5-0x00000000002A0000-0x0000000000950000-memory.dmp